求一道极限lim(x→0)∫(sinx→0) sin^2tdt/x^3∫(sinx→0) sin^2tdt= 1/2 -
求一道极限lim(x→0)∫(sinx→0) sin^2tdt/x^3∫(sinx→0) sin^2tdt= 1/2 -
求极限 ((sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1
limx趋向于0,sinx/∫tdt,上2x,下0,求极限,
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求极限lim(x-->0) (tanX-sinX)/[(sin^3)X]
请教两道高数的题目利用等价无穷小替换求极限(1)lim{sin(x^n)/[(sinx)^m]} X→0 (2) lim
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求极限lim(x→0)(根号下1+tanx减去根号下1+sinx)/sin^3x
求下列极限,lim(x+2sinx)/(x+3sinx),x→0
求极限lim(x→0)(tanx-sinx)/sin³x
lim((sin(x^n))/((sinx)^m)),x→0,求极限